What is the difference between organ and organelle?
The growth of the cytomembrane throughout cell elongation takes place by intussusception and apposition. Intussusception is growth by deposition of... View Article
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The exit of unabsorbed food materials is regulated by?
Rudolf Virchow modified the cell theory and gave the concept of ‘omnis cellula e cellulae’ – means new cells develop... View Article
What are tensor quantities?
Peripatus is a primitive arthropod having joined paired legs, compound eyes and tracheae like other arthropods but also displays certain... View Article
What is the difference between lotion and liniment?
The lotion is a low- to medium-viscosity topical preparation intended for application to unbroken skin. Simultaneously, liniment is a topical... View Article
Which is ventral surface of the leaf?
Voluntary action Involuntary action The voluntary actions are under control of Cerebrum (Forebrain). The involuntary actions are under control of... View Article
Name the respiratory pigment in human beings. Where it is found?
Answer: Haemoglobin is the respiratory pigment in human beings. It is red and present in the human blood. A respiratory... View Article
Tomato is a natural source of which acid? (a) Acetic acid (b) Citric acid (c) Tartaric acid (d) Oxalic
Axial and terminal flower refers to the position of the flower. Flowers located near the middle of the plant is... View Article
Multiple cropping means growing (a) only two crops (b) only three crops (c) upto four crops (d) more than one
Molecular movements are the movements of various molecules from one place to another inside the cells and in between cells.... View Article
What is the difference between knee voltage and breakdown voltage?
The Full form of ORS is Oral Rehydration Solution. ORS is a glucose-based salt solution used to prevent and treat... View Article
What is precaval and post postcaval vein?
Egg yolk is rich in calcium and egg albumin is rich in proteins . Egg yolks are the yellow part... View Article
What is stroma lamellae and grana lamellae?
a) Plant fibres are obtained from jute and cotton. b) Animals fibres are silk and wool Plant fibres include seed... View Article
Name the plant tissue having dead cells.
The pigment which can absorb solar energy is called as Chlorophyll pigment, and it is also present in chloroplast cells.... View Article
What is myopia?
Plant hormones are called as phytohormones. These are the organic substances which are produced in the plants These hormones are... View Article
What is the difference between contour ploughing and terrace farming?
The study of tissues is called histology, or f microscopic anatomy. The term histology was coined by Meyer. Marie François... View Article
What are lenticels in plants and what is their function?
A blue whale’s mammary glands are the largest in the world. A blue whale’s breast is only as big as... View Article
Name the seven essential components of food.
Green data book is actually a small pocket sized data book which contains environmental data of more than 200 economies.... View Article
What is moment of force and moment of couple?
River gets polluted by the means of human hands. Water is getting polluted by dumping waste into this kind of... View Article
In a plant, the anther contains: A) sepals B) ovules C) pistil D) Pollen grains
The anther contains pollen grains. Explanation The part of the stamen where pollen is produced. It is a bilobed tetrasporangiate... View Article
What is the name for animals of a particular region or habitat?
Milk is a good source of thiamin, riboflavin and vitamin B12. Calcium is present in considerable amounts in milk whereas... View Article
A train starting from a railway station and moving with uniform acceleration attains a speed of 40 km hr^-1 in 10 minutes. Find its acceleration in the units of ms^-2
Earthworms are said to be always the friend of farmers. The reason is that earthworm increases the fertility of soil... View Article
